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Finding the Fourth Proportional to 449,437.40, 673,281.30 and 271,415.60

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Solution

The fourth proportional to 449,437.40, 673,281.30 and 271,415.60 is: 406,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,437.40 : 673,281.30 = 271,415.60 : x
  2. Step 2: Convert to fraction form
    449,437.40/673,281.30 = 271,415.60/x
  3. Step 3: Cross multiply
    449,437.40x = 673,281.30 × 271,415.60
  4. Step 4: Simplify right side
    449,437.40x = 182,739,048,008.28
  5. Step 5: Solve for x
    x = 182,739,048,008.28/449,437.40
  6. Step 6: Final answer
    x = 406,595.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.